<template>
  <el-card>
    <div style="margin: 10px 0">
      <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="name"></el-input>
      <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
      <el-button type="warning" @click="reset">重置</el-button>
    </div>

    <div style="margin: 10px 0">
      <el-button type="primary" @click="handleAdd">新增 <i class="el-icon-circle-plus-outline"></i></el-button>
    </div>

    <el-table :data="tableData" border stripe :header-cell-class-name="headerBg" row-key="id" default-expand-all @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="id" label="ID"></el-table-column>
      <el-table-column prop="name" label="名称"></el-table-column>
      <el-table-column prop="path" label="路径"></el-table-column>
      <el-table-column prop="pagePath" label="页面路径"></el-table-column>
      <el-table-column label="图标" align="center">
        <template slot-scope="scope">
          <i :class="scope.row.icon" style="font-size: 18px"></i>
        </template>
      </el-table-column>
      <el-table-column prop="description" label="描述"></el-table-column>
      <el-table-column label="操作"  width="300" align="center">
        <template slot-scope="scope">
          <el-button type="primary" @click="handleAddpid(scope.row.id)" v-show="scope.row.pid == null">新增子菜单<i class="el-icon-plus"></i></el-button>
          <el-button round type="success" @click="handleEdit(scope.row)"><i class="el-icon-edit"></i></el-button>
          <el-popconfirm
              class="ml-5"
              confirm-button-text='确定'
              cancel-button-text='我再想想'
              icon="el-icon-info"
              icon-color="red"
              title="您确定删除吗？"
              @confirm="del(scope.row.id)"
          >
            <el-button type="danger" slot="reference">删除 <i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <!--        分页组件-->
<!--    <div style="padding: 10px 0">-->
<!--      <el-pagination-->
<!--          @size-change="handleSizeChange"-->
<!--          @current-change="handleCurrentChange"-->
<!--          :current-page="pageNum"-->
<!--          :page-sizes="[5, 10, 15, 20]"-->
<!--          :page-size="pageSize"-->
<!--          layout="total, sizes, prev, pager, next, jumper"-->
<!--          :total="total">-->
<!--      </el-pagination>-->
<!--    </div>-->

    <el-dialog title="菜单" :visible.sync="dialogFormVisible" width="30%" >
      <el-form label-width="80px" size="small">
        <el-form-item label="名称">
          <el-input v-model="form.name" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="路径">
          <el-input v-model="form.path" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="页面路径">
          <el-input v-model="form.pagePath" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="图标">
          <el-select v-model="form.icon" placeholder="请选择" style="width: 100%">
            <el-option
                v-for="item in options"
                :key="item.name"
                :label="item.name"
                :value="item.value">
              <i :class="item.value"/>{{item.name}}
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="描述">
          <el-input v-model="form.description" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>

  </el-card>
</template>

<script>
export default {
  name: "Menu",
  data(){
    return{
      tableData:[],
      total:0,
      pageNum:1,
      pageSize:5,
      name:'',
      form: {
        id:'',
        name:'',
        path:'',
        icon:'',
        description:'',
        pagePath:''
      },
      dialogFormVisible: false,
      options:[],
      multipleSelection: [],
      headerBg:"headerBg"
    }
  },
  created() {
    this.load();
  },
  methods:{
    load() {
      this.request.get("/menu").then(res => {
        this.tableData = res.data
      })
    },

    save() {
      this.request.post("/menu/save", this.form).then(res => {
        if (res.code==='200') {
          this.$message.success("保存成功")
          this.dialogFormVisible = false
          this.load()
        } else {
          this.$message.error("保存失败")
        }
      })
    },

    handleAddpid(pid) {
      this.dialogFormVisible = true
      this.form = {}
      if (pid){
        this.form.pid=pid;
      }
    },

    handleAdd() {
      this.dialogFormVisible = true
      this.form = {}
    },

    handleEdit(row) {
      this.form = row
      this.dialogFormVisible = true

      //请求图标数据
      this.request.get("/dict").then(res => {
        this.options = res.data
      })
    },

    del(id) {
      this.request.delete("/menu/" + id).then(res => {
        if (res.code==='200') {
          this.$message.success("删除成功")
          this.load()
        } else {
          this.$message.error("删除失败")
        }
      })
    },

    handleSelectionChange(val) {
      console.log(val)
      this.multipleSelection = val
    },

    delBatch() {
      let ids = this.multipleSelection.map(v => v.id)  // [{}, {}, {}] => [1,2,3]
      this.request.post("/menu/del/batch", ids).then(res => {
        if (res.code==='200') {
          this.$message.success("批量删除成功")
          this.load()
        } else {
          this.$message.error("批量删除失败")
        }
      })
    },

    reset() {
      this.name = ""
      this.load()
    },

    handleSizeChange(pageSize) {
      console.log(pageSize)
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum)
      this.pageNum = pageNum
      this.load()
    },

    exp(){
      window.open("http://localhost:8090/user/export")
    },

    addChildren(){

    }
  }
}
</script>

<style>
.headerBg {
  background: #eee !important;
}
</style>